Pulmonary Volumes and capacity

Question 1

• refers to the volume of gas at a given time during the respiratory cycle
• measurement of the volume of air moved into and out of the lungs during breathing

Answer 1

Respiratory/lung/pulmonary volume

Question 2

sum of two or more respiratory volumes

Answer 2

Respiratory/pulmonary capacities

Question 3

normal volume of air inspired and expired with each breath

Answer 3

tidal volume

Question 4

normal value at tidal volume

Answer 4

500 mL

Question 5

amount of air that can be forcefully inspired after a normal expiration

Answer 5

inspiratory reserve volume

Question 6

normal value at inspiratory reserve volume

Answer 6

3,000 mL

Question 7

amount of air that can be forcefully expired after a normal expiration

Answer 7

expiratory reserve volume

Question 8

normal value at expiratory reserve volume

Answer 8

1,100 mL

Question 8

amount of air still remaining in the lungs after maximum expiration

Answer 8

residual volume

Question 9

normal value at residual volume

Answer 9

1,200 mL

Question 10

Normal pulmonary volumes

Answer 10

Tidal volume - 500 mL
Inspiratory Reserve Volume - 3,000 mL
Expiratory Reserve Volume - 1,100 mL
Residual Volume - 1,200 mL

Question 11

• tidal volume + inspiratory reserve volume
• amount of air a person can inspire maximally after a normal expiration

Answer 11

Inspiratory capacity

Question 12

normal value of the inspiratory capacity

Answer 12

3,500 mL

Question 13

• tidal volume + inspiratory reserve volume + expiratory reserve volume
• maximum volume of air a person can expel from the respiratory tract after a maximum inspiration

Answer 13

vital capacity

Question 14

normal value of the vital capacity

Answer 14

4,600 mL

Question 15

• expiratory reserve volume + residual volume
• amount of air remaining in the lungs at the end of a normal expiration

Answer 15

Functional residual capacity

Question 16

Normal value of functional residual capacity

Answer 16

2,300 mL

Question 17

• sum of all respiratory volumes

Answer 17

total lung capacity

Question 18

normal value of total lung capacity

Answer 18

5,800 mL

Question 19

functional measure of lung performance

Answer 19

forced vital capacity

Question 20

process of measuring air that move into and out of the respiratory system

Answer 20

spirometry

Question 21

device use to measure pulmonary volumes

Answer 21

spirometer

Question 22

measure of the volume of air available for gas exchange

Answer 22

alveolar ventilation

Question 23

areas include all the structures of the upper and lower respiratory tracts to the terminal bronchioles

Answer 23

anatomical dead space

Question 24

combination of the anatomical dead space and volume of any alveoli with lower than normal gas exchange

Answer 24

physiological dead space